Peripheral Dynamics, Inc.
16Patents
0Active
16Granted
31Portfolio score
Filing activity: Mar 21, 1975 → Apr 28, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5669816A | Blackjack scanner apparatus and method | Human Necessities | 329 | Expired |
| US4969648A | Apparatus and method for automatically shuffling cards | Human Necessities | 259 | Expired |
| US5772505A | Dual card scanner apparatus and method | Human Necessities | 237 | Expired |
| US4902880A | Card reader system and method with printing and verification capability | Physics | 165 | Expired |
| US5632483A | Blackjack scanner apparatus and method | Human Necessities | 145 | Expired |
| US4088265A | Adaptable mark/hole sensing arrangement for card reader apparatus | Physics | 112 | Expired |
| US6357658B1 | Apparatus and methods for scanning documents including OMR, bar-code, and image data | Physics | 28 | Expired |
| US3975010A | Card reader with improved picking and transport arrangement | Physics | 17 | Expired |
| US4287409A | Reader with special means for transporting cards and badges of variable thicknesses | Physics | 14 | Expired |
| US4492855A | Badge reader with improved slide arrangement | Physics | 11 | Expired |
| US4065662A | Card reader system with improved interface | Physics | 10 | Expired |
| US4098458A | Adjustable width document reader | Physics | 8 | Expired |
| US4145606A | One-at-a-time card reader | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4117314A | Card reader with means for unloading output hopper on the fly | Physics | 4 | Expired |
| US4187980A | Badge reader with reliable data clocking means | Physics | 3 | Expired |
| US4284883A | Card reader with improved data processing timing control | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.